1611122206 has 8 divisors (see below), whose sum is σ = 2426087520. Its totient is φ = 802426368.

The previous prime is 1611122197. The next prime is 1611122209. The reversal of 1611122206 is 6022211161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566726 + ... + 1567753.

It is an arithmetic number, because the mean of its divisors is an integer number (303260940).

Almost surely, 2^1611122206 is an apocalyptic number.

1611122206 is a deficient number, since it is larger than the sum of its proper divisors (814965314).

1611122206 is a wasteful number, since it uses less digits than its factorization.

1611122206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134738.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1611122206 is about 40138.7868027921. The cubic root of 1611122206 is about 1172.3109670203.

Adding to 1611122206 its reverse (6022211161), we get a palindrome (7633333367).

The spelling of 1611122206 in words is "one billion, six hundred eleven million, one hundred twenty-two thousand, two hundred six".